NoFly Corporation sells three different models of a mosquito zapper. Model A12 sells for $55 and has variable costs of $39. Model B22 sells for $108 and has variable costs of $80. Model C124 sells for $413 and has variable costs of $320. The sales mix of the three models is A12, 55%; B22, 26%; and C124, 19%. What is the weighted-average unit contribution margin? (Round answer to 2 decimal places, e.g. 15.50.)